Big Data Simplified

Introducing Big Data | 33

means that the size of the cluster can be very easily scaled up and down. There is a lot of elasticity,

which is typically not provided by appliances. One has to determine a static number of nodes

that would go in the appliance. However, it is known that appliances themselves can be elastic,

where one can add additional racks or remove those racks. Thus, the second hybrid is also an

effective one. It may be noted that the rst two hybrids mentioned here are really about making

Hadoop more enterprise ready.

One can also see a hybrid in terms of the query technology adopted. Some relational databases

are available that ...